Polyolefins

Exploring the: Polyolefins Zone

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Published: 1/1/2020

Part 4: Fundamentals of Polyethylene
How the development of new catalysts—notably metallocenes—paved the way for the development of material grades never before possible.

Published: 1/1/2020

Volume Resin Prices Flat or Down
Feedstock costs are lower, supply is outpacing demand, and overall global demand has slowed.

Published: 12/1/2019

Materials Knowledge Pays Off at Teel Plastics
Well-equipped and well-staffed testing lab elevates competence of custom processor.

Published: 12/1/2019

2019 Ends with Lower Prices for Commodity Resins
Global demand slowdown and oversupply end the year with a buyers’ market.

Published: 12/1/2019

An Agricultural Recycling 'Revolution'
Revolution is a leading brand bringing together expertise in recycling of agricultural film and manufacturing of plastic film, bags and irrigation tubing. The focus in all areas is to create sustainable closed-loop systems and use as much post-...

Published: 12/1/2019

Part 4: Polyethylene Fundamentals
Injection molders of small fuel tanks learned the hard way that a very small difference in density—0.6%—could make a large difference in PE stress-crack resistance.

Published: 11/1/2019

Recyclable All-PE Pouches: Sustainable Opportunity for Film Extruders
Sustainability and the Circular Economy are both a challenge and an opportunity to flexible packaging producers. Recyclable pouches based on all-PE multilayer structures, utilizing new resins and perhaps techniques like MDO or biaxial orientation, a...

Published: 11/1/2019

Part 3: Fundamentals of Polyethylene
PE parts can fail when an inappropriate density is selected. Let’s look at some examples and examine what happened and why.

Published: 10/1/2019

Part 2: The Fundamentals of Polyethylene
PE properties can be adjusted either by changing the molecular weight or by altering the density. While this increases the possible combinations of properties, it also requires that the specification for the material be precise.

Published: 10/1/2019

Prices for Nearly All Volume Resins Down
Flat pricing projected in fourth quarter for volume resins.